Applying frequency governor to bottom pump of evaporation tower and feed pump of furnace, the result showed that it is the effective way to improve the automatic level in clay unit.
通过蒸发塔底泵和护进料泵两系统采用变频调速器的数据分析表明，它是提高白土精制装置自动化水平的有效途径。
During cantilever construction of CCTV main building, high frequency, high precision and multi-point dynamic monitoring is used in tower crane displacement installation and usage.
CCTV主楼悬臂施工阶段，对塔式起重机在移位安装至悬臂部位过程中和使用状态下进行高频次、高精度、多点位动态监测。
Influence of factors on fundamental frequency such as tapering coefficient, counterweight on tower top and elastic support were discussed.
分析了附加质量、变截面系数和弹性约束等因素对结构基频的影响。
Then, we discussed the effect of the stiffness of tower to the symmetry vertical frequency.
研究了桥塔刚度对竖向基频的影响；
This paper intends to introduce a method of frequency test of various circuits of type 8031 SCP and its application in the comprehensive figure display instrument of tower cranes.
本文介绍8031单片机多路测频的一种方法及其在塔吊综合数显仪中的应用。
The content of oxyhydrogen ion, even under low neutralization, the pain may stably be emulsified. Thus improved the safety of C tower IR making and reduced the frequency of IR.
由于增加了氢氧离子的含量，使涂料即使在低中和的状态下也能稳定地乳化，从而提高了C塔精制的安全性和减少做精制的频度。
In order to resolve source shortage of television tower, adopting frequency modulation and television multi-channel with total tower.
为了解决发射塔资源短缺问题，可采用调频和电视多频道共塔技术。
The middle and high-frequency noise of the wet-style natural-ventilation cooling tower is simulated by test rig in tab.
在试验装置上进行了冷却塔噪声模拟试验，试验装置较好地模拟了火电厂湿式自然通风冷却塔的中高频噪声特性。
Some frequency analysis methods of wind-induced dynamic response are provided in detail, we adjust them to hyperbolic cooling-tower thin-walled structure.
给出了用于计算风致响应的频域分析方法，并将其运用于双曲冷却塔壳体结构的计算中。
Tower: "Eastern 702, cleared for takeoff, contact Departure on frequency 124.7."
塔台：“东航702，起飞批准，请用124.7联系离场控制空管。”
Tower: "Continental 635, cleared for takeoff, contact Departure on frequency 124.7."
塔台：“大陆航空635，起飞批准，请用124.”7联系离场控制空管。
Tower: "Continental 635, cleared for takeoff, contact Departure on frequency 124.7."
塔台：“大陆航空635，起飞批准，请用124.”7联系离场控制空管。
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